A fixed mass ‘m’ of a gas is subjected to transformation of states from K to L to M to N and back to K as shown in the figure

The succeeding operations that enable this transformation of states are

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From K to M as Pressure is constant, so temperature is increased to increase volume that is heating. (Isobaric expansion)
From L to M as Volume is constant, so temperature is decreased to decrease pressure that is cooling. (Isochoric)
From M to N as Pressure is constant so temperature is decreased to decrease volume that is cooling. (Isobaric compression)
From N to K as Volume is constant so temperature is increased to increase pressure that is heating. (Isochoric)
At constant pressure $V \propto T$
At constant volume $P \propto T$

Chemistry - Thermodynamics - I Question with Solution | TestHub

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